65490029 has 4 divisors (see below), whose sum is σ = 71443680. Its totient is φ = 59536380.

The previous prime is 65490013. The next prime is 65490031. The reversal of 65490029 is 92009456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65490029 - 2⁴ = 65490013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65490829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976809 + ... + 2976830.

It is an arithmetic number, because the mean of its divisors is an integer number (17860920).

Almost surely, 2^65490029 is an apocalyptic number.

It is an amenable number.

65490029 is a deficient number, since it is larger than the sum of its proper divisors (5953651).

65490029 is a wasteful number, since it uses less digits than its factorization.

65490029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953650.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 65490029 is about 8092.5909942366. The cubic root of 65490029 is about 403.0804433578.

It can be divided in two parts, 65 and 490029, that added together give a palindrome (490094).

The spelling of 65490029 in words is "sixty-five million, four hundred ninety thousand, twenty-nine".